io.github.100xPercent/pop-pay MCP Server

Name: io.github.100xPercent/pop-pay MCP Server
Author: io.github.100xPercent

io.github.100xPercent/pop-pay

Repository Registry

What is the io.github.100xPercent/pop-pay MCP server?

Runtime security for AI agent commerce. CLI + MCP server blocks hallucinated purchases.

How to install io.github.100xPercent/pop-pay

Copy-paste configuration for popular MCP clients.

transport: stdio

Config generated by PluginBench — verify against the source before use.

Environment / auth

POP_CDP_URL
Chrome DevTools Protocol endpoint for credential injection (default: http://localhost:9222)
POP_ALLOWED_CATEGORIES
JSON array of allowed vendor categories (e.g. '["aws","cloudflare"]')
POP_MAX_PER_TX
Per-transaction spending limit in USD
POP_MAX_DAILY
Daily spending limit in USD
POP_GUARDRAIL_ENGINE
Guardrail engine: 'keyword' (offline, default) or 'llm' (requires API key)

Claude Desktop

~/Library/Application Support/Claude/claude_desktop_config.json

{
  "mcpServers": {
    "pop-pay": {
      "command": "npx",
      "args": [
        "-y",
        "pop-pay",
        "launch-mcp"
      ],
      "env": {
        "POP_CDP_URL": "<YOUR_POP_CDP_URL>",
        "POP_ALLOWED_CATEGORIES": "<YOUR_POP_ALLOWED_CATEGORIES>",
        "POP_MAX_PER_TX": "<YOUR_POP_MAX_PER_TX>",
        "POP_MAX_DAILY": "<YOUR_POP_MAX_DAILY>",
        "POP_GUARDRAIL_ENGINE": "<YOUR_POP_GUARDRAIL_ENGINE>"
      }
    }
  }
}

Cursor

~/.cursor/mcp.json

{
  "mcpServers": {
    "pop-pay": {
      "command": "npx",
      "args": [
        "-y",
        "pop-pay",
        "launch-mcp"
      ],
      "env": {
        "POP_CDP_URL": "<YOUR_POP_CDP_URL>",
        "POP_ALLOWED_CATEGORIES": "<YOUR_POP_ALLOWED_CATEGORIES>",
        "POP_MAX_PER_TX": "<YOUR_POP_MAX_PER_TX>",
        "POP_MAX_DAILY": "<YOUR_POP_MAX_DAILY>",
        "POP_GUARDRAIL_ENGINE": "<YOUR_POP_GUARDRAIL_ENGINE>"
      }
    }
  }
}

Windsurf

~/.codeium/windsurf/mcp_config.json

{
  "mcpServers": {
    "pop-pay": {
      "command": "npx",
      "args": [
        "-y",
        "pop-pay",
        "launch-mcp"
      ],
      "env": {
        "POP_CDP_URL": "<YOUR_POP_CDP_URL>",
        "POP_ALLOWED_CATEGORIES": "<YOUR_POP_ALLOWED_CATEGORIES>",
        "POP_MAX_PER_TX": "<YOUR_POP_MAX_PER_TX>",
        "POP_MAX_DAILY": "<YOUR_POP_MAX_DAILY>",
        "POP_GUARDRAIL_ENGINE": "<YOUR_POP_GUARDRAIL_ENGINE>"
      }
    }
  }
}

VS Code

.vscode/mcp.json

{
  "servers": {
    "pop-pay": {
      "type": "stdio",
      "command": "npx",
      "args": [
        "-y",
        "pop-pay",
        "launch-mcp"
      ],
      "env": {
        "POP_CDP_URL": "<YOUR_POP_CDP_URL>",
        "POP_ALLOWED_CATEGORIES": "<YOUR_POP_ALLOWED_CATEGORIES>",
        "POP_MAX_PER_TX": "<YOUR_POP_MAX_PER_TX>",
        "POP_MAX_DAILY": "<YOUR_POP_MAX_DAILY>",
        "POP_GUARDRAIL_ENGINE": "<YOUR_POP_GUARDRAIL_ENGINE>"
      }
    }
  }
}

Claude Code

claude mcp add pop-pay --env POP_CDP_URL=<YOUR_POP_CDP_URL> --env POP_ALLOWED_CATEGORIES=<YOUR_POP_ALLOWED_CATEGORIES> --env POP_MAX_PER_TX=<YOUR_POP_MAX_PER_TX> --env POP_MAX_DAILY=<YOUR_POP_MAX_DAILY> --env POP_GUARDRAIL_ENGINE=<YOUR_POP_GUARDRAIL_ENGINE> -- npx -y pop-pay launch-mcp